5-chloro-1,3-dimethyl-pyrazolo[4,3-d]pyrimidine CAS 1471261-55-8

Description

The occurrence of 5-chloro-1,3-dimethyl-pyrazolo[4,3-d]pyrimidine is closely related to a nitrile group, chlorine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

CATO supplies 5-chloro-1,3-dimethyl-pyrazolo[4,3-d]pyrimidine (CAS 1471261-55-8), a certified reference material (molecular formula C7H7ClN4, MW 182.61 g/mol) for analytical method development and quality control.

Structurally, 5-chloro-1,3-dimethyl-pyrazolo[4,3-d]pyrimidine (C7H7ClN4) contains a nitrile group, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 182.61 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

CATO manufactures 5-chloro-1,3-dimethyl-pyrazolo[4,3-d]pyrimidine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

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